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NGC-40 Series, IO Module
Raychem NGC-40 Series - IO Module provides up to four additional RTD inputs. These can be assigned to any NGC-40-HTC/HTC3 module. It also provides one alarm relay that can be connected to an external annunciator and one digital input that is programmable and may be assigned to any NGC-40-HTC/HTC3 module for various functions such as forcing the contactor or SSR on or off.